{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process parameter", "process characterization", "manufacturing process", "concept or principle"], "input": "laser power and travel speed ."}
{"process parameter": ["laser power"], "process characterization": [], "manufacturing process": [], "concept or principle": []}